# 第一个注释
print("Hello World!")  # 第二个注释
"""
这是多行注释
"""
if True:
    print("Ture")
else:
    print("False")
    print("False")

string = ("这里是python课堂,"
          "我写的第二个代码.")
# type 查看变量的类型
str3 = 200
print(type(str3))

str4 = "a"
print(type(str4))  # <class 'int'>

name=input("请输入你的名字")
print(name)

# ctl+alt+L
str6 = '1234'
print(str6, sep="-")

print('--------')

a = 2
b = 3
print(a << b)
print(a >> b)
print(a & b)
print(a | b)
print(a ^ b)
print(~a)
